未揭开的秘密；高深莫测的事物

谜，未揭开的秘密，高深莫测的事物

closed book───n.已结束的计划和行动等；一无所知的东西

closed books───n.已结束的计划和行动等；一无所知的东西

a close call───侥幸的脱险

account book───账簿

an open book───众所周知的事

class book───点名簿

closed down───（工厂、企业等）停业；（电台）停止播放；（雾等）笼罩（closedown的过去式与过去分词）

closed off───封锁；隔绝；使隔离；结账

closed out───抛售（停业）；（航空器发射前进行的最后）关闭

Fishing is a closed book to me.───我对钓鱼是一窍不通。

Mathematics is a closed book to me , I'll never understand it.───我对数学一窍不通, 从来都搞不懂.

Nuclear physics is a closed book to most of us.───我们大多数人对原子核物理学一窍不通.

The actress'life a closed book to us.───那个女演员的生活对我们来说是个秘密.

As far as I'm concerned the accident is a closed book; I just want to forget it.───就我而言，这事件已过去了，我只想忘掉它。

Philosophy is a closed book to me.───我对哲学一窍不通.

The man's early life is a closed book.───那人的早年生活是个不可告人的谜.

Economics was a closed book to him.───他对经济学一窍不通。

Nuclear physics is a closed book to me.───核物理学是我完全不懂的一门学科.

I'm afraid geophysics is rather a closed book to me.───我对地球物理学一窍不通.

For me, geology is a closed book.───对我来说地质学是一门我完全不懂的学科.

Frank Spriggs was a very able man but something of a closed book.───弗兰克· 斯普里格斯是个非常能干的人，却不被人所知晓。

A closed mind is like a closed book; just a block of wood.───封闭的心灵如同一本合上的书, 不过是纸堆罢了.

For many people the Bible is a closed book.───大多数人对《圣经》一无所知.

Economics was a closed book to him.

Nuclear physics is a closed book to most of us.

The kitchenette is a closed book.

The Shoah will never be a closed book.

I'm afraid physics will always be a closed book to me.

I'm afraid geophysics is rather a closed book to me.

Mathematics has always been a closed book to me.

He is holding a closed book, signifying a mystery, possibly a stage in the alchemical process.

Chemistry is a closed book to me.